Home / 39,871.16-55,026.08-29,782.10

Finding the Fourth Proportional to 39,871.16, 55,026.08 and 29,782.10

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Solution

The fourth proportional to 39,871.16, 55,026.08 and 29,782.10 is: 41,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.16 : 55,026.08 = 29,782.10 : x
  2. Step 2: Convert to fraction form
    39,871.16/55,026.08 = 29,782.10/x
  3. Step 3: Cross multiply
    39,871.16x = 55,026.08 × 29,782.10
  4. Step 4: Simplify right side
    39,871.16x = 1,638,792,016.49
  5. Step 5: Solve for x
    x = 1,638,792,016.49/39,871.16
  6. Step 6: Final answer
    x = 41,102.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.